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Cheap flights from Kathmandu to Kolkata from ₹ 10,294

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
KTM — CCU
1 Aug — 8 Aug1
1 adult

Cheap flight deals from Kathmandu to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 July 2025.

Round-trip from

₹ 18,772

One-way from

₹ 10,294

Popular in

June

Cheapest in

August

Average price

₹ 21,540

Good one-way deal

₹ 11,675 or less
Air India
  • Air India
  • 25/8-1/9
  • 2 total stops
  • 31h 15m total
  • Kathmandu to Kolkata
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Air India
  • Air India
  • 17/9
  • 1 total stop
  • 6h 00m total
  • Kathmandu to Kolkata
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Highest demand for flights based on searches. 15% potential increase in price (₹ 507,610 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (₹ 140,334 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Kolkata Netaji S. Chandra.
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Find flight deals from Kathmandu to Kolkata

Cheapest flights from Kathmandu to Kolkata
Explore the most affordable flight options available from Kathmandu to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2025.

Mon 25/810:05KTM - CCU
1 stop8h 15mAir India
Mon 1/923:45CCU - KTM
1 stop23h 00mAir India
Deal found 26/7₹ 18,772
Wed 10/916:00KTM - CCU
1 stop26h 00mBiman Bangladesh
Wed 17/918:30CCU - KTM
1 stop19h 15mBiman Bangladesh
Deal found 27/7₹ 24,309
Mon 25/813:25KTM - CCU
2 stops9h 35mMultiple Airlines
Mon 1/913:50CCU - KTM
2 stops28h 05mMultiple Airlines
Deal found 26/7₹ 27,423

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kathmandu to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 27 July 2025.
Use the filters below to find and compare flights from Kathmandu to Kolkata that are best for you.

Fly from

Kathmandu

Fly to

Kolkata

Route

Depart

Return

Price

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Mon 25/8

10:05-18:05

1 stop8h 15m

Kolkata Netaji S. Chandra

Mon 1/9

23:45-23:00

1 stop23h 00m

₹ 18,772

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Wed 10/9

16:00-17:45

1 stop26h 00m

Kolkata Netaji S. Chandra

Wed 17/9

18:30-14:00

1 stop19h 15m

₹ 24,309

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Mon 25/8

13:25-22:45

2 stops9h 35m

Kolkata Netaji S. Chandra

Mon 1/9

13:50-18:10

2 stops28h 05m

₹ 27,423

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Wed 17/9

14:00-19:45

1 stop6h 00m

₹ 10,294

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Tue 12/8

13:25-22:45

2 stops9h 35m

₹ 13,582

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Mon 1/9

14:00-22:20

2 stops8h 35m

₹ 14,966

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Fri 12/12

00:25-00:40

1 stop24h 30m

₹ 42,389

KathmanduKolkata

KTM - CCU

KTMCCU

Kathmandu Tribhuvan

Sat 18/10

10:55-18:25

2 stops31h 45m

₹ 53,462

Flights are sorted by cheapest return flights first.

Deals found on 25/7

Best time to book a flight from Kathmandu to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Kathmandu with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Kolkata

What is the cheapest month to book a flight from Kathmandu to Kolkata?

Currently, September is the cheapest month in which you can book a flight from Kathmandu to Kolkata (average of ₹ 120). Flying from Kathmandu to Kolkata in October is currently the most expensive (average of ₹ 161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top stopover airport for flights from Kathmandu to Kolkata?

Share of one-stop return flights from Kathmandu to Kolkata chosen by Cheapflights users in the past 12 months, using the same stopover each way.

New Delhi (DEL) – chosen by Cheapflights users on 67% of one-stop itineraries from Kathmandu to Kolkata on Cheapflights.

What’s the cheapest stopover airport for flights from Kathmandu to Kolkata?

Average return fare for one-stop flights from Kathmandu to Kolkata, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Dhaka (DAC) is the most affordable one-stop option, with an average return flight price of ₹ 26,657.

What’s the fastest stopover option from Kathmandu to Kolkata?

Shortest average travel time for one-stop one-way flights from Kathmandu to Kolkata, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via New Delhi (DEL) have the shortest average one-way travel time for one-stop routes: 5h 31m.

Which airport typically offers the quickest stopover for flights from Kathmandu to Kolkata?

Average stopover duration for one-stop one-way flights from Kathmandu to Kolkata, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New Delhi (DEL) offer the fastest connection on this route, with an average stopover time of 3h 19m.

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated 27 July 2025.
Check out reviews from past customers who have flown with Thai Airways, IndiGo, andAir India from Kathmandu to Kolkata to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
339 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

6.8

Crew

8.3

Food

7.3

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
339 reviews
Thai Airways
7.8
Good
339 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

6.8

Crew

8.3

Food

7.3

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
IndiGo
6.8
Okay
478 reviews
Thai Airways
7.8
Good
339 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

6.8

Crew

8.3

Food

7.3

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Air India
5.5
Fair
2,927 reviews
Thai Airways
7.8
Good
339 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

6.8

Crew

8.3

Food

7.3

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
SpiceJet
4.9
Mediocre
88 reviews
Thai Airways
7.8
Good
339 reviews
Check prices

Overall

7.8

Boarding

7.8

Entertainment

6.8

Crew

8.3

Food

7.3

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Kathmandu to Kolkata flight route?

    This flight path from Kathmandu Tribhuvan to Kolkata Netaji S. Chandra was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Kathmandu to Kolkata round-trip?

    According to our current data, Air India (₹ 18,772), and Biman Bangladesh (₹ 24,309) offers the cheapest pricing from Kathmandu to Kolkata. Air India is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Kathmandu to Kolkata one-way?

    ₹ 10,294 is the cheapest one-way deal found within the past few days, from Air India. You may also be able to find cheap deals on IndiGo and Thai Airways, with prices starting from ₹ 14,966 and ₹ 42,389, respectively.

  • What are the cheapest flights from Kathmandu to Kolkata?

    While on average a flight from Kathmandu to Kolkata is generally ₹ 11,675, our data shows the cheapest flight currently is ₹ 11,675. When looking at the most popular route, (Kathmandu Tribhuvan - Kolkata Netaji S. Chandra), you can expect to pay ₹ 27,856 for that flight.

  • Can I find deals for flights from Kathmandu to Kolkata that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Kolkata.

  • Can I find deals for business class flights from Kathmandu to Kolkata?

    Yes. Cheapflights offers flight deals from Kathmandu to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from Kathmandu to Kolkata (average of ₹ 120). Flying from Kathmandu to Kolkata in October is currently the most expensive (average of ₹ 161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
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Kolkata Netaji S. Chandra Airport car hire

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Can Cheapflights find flights from Kathmandu to Kolkata with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Kathmandu to Kolkata, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Kathmandu to Kolkata become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kolkata from Kathmandu today and book when prices fit your budget.

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